Laminar
Open-source observability platform for AI agents that detects failures and supports evals
Observability tool by Laminar
Install
Pick your client. Read the repository before you give any tool access to your data.
pip install lmnr
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About
Use cases: monitoring-observability, llm-evaluation
Reviews
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Fact sheet
- Category
- Tracing · open source
- Self-host
- Yeslaminar.sh
- Open source
- Yeslaminar.sh
- Compliance (vendor says)
- SOC 2, HIPAAlaminar.sh
- Works with
- claude-agent-sdk, openai-agents-sdk, mastra, pydantic-ai, vercel-ai-sdk, langchainlaminar.sh
- Protocols
- opentelemetry, grpc, mcpraw.githubusercontent.com
Plans
| Free | $0 | 1 GB data, 7 day data access, 1 project, 1 seat, no Signals |
|---|---|---|
| Starter | $30/month | 3 GB data included then $2/GB; 30 day data access; unlimited projects and seats |
| Pro | $150/month | 10 GB data included then $1.50/GB; 6 month data access; unlimited projects and seats |
| Enterprise | Contact sales | custom limits, on-premise deployment, dedicated support |
From the vendor's pricing page, read Oct 24, 2026.
Facts read from the vendor's own pages by claude-haiku-5-5 on Oct 24, 2026; a fact is shown only with the page it came from.
Signals
- Stars
- 3,438
- Forks
- 249
- Open issues
- 65
- Last commit
- Oct 16, 2026 (12 days ago)
- Last release
- Oct 16, 2026 (12 days ago)
From GitHub (fetched Oct 24, 2026).
Details
- Packages
- pypi
lmnr - License
- Apache-2.0
- Repository
- github.com/lmnr-ai/lmnr
- Website
- laminar.sh
- First seen
- Oct 24, 2026
- Last checked
- Oct 24, 2026
Cite this page
Laminar. Agent Mart. https://agentmart.dev/observability/laminar (last updated 2026-10-24)